/*
 * Copyright 2010 - Jeremie Brebec
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.jb.sharedbills.shared.model.logic;

import org.jb.sharedbills.shared.model.Bill;
import org.jb.sharedbills.shared.model.Event;
import org.jb.sharedbills.shared.model.Group;
import org.jb.sharedbills.shared.model.Member;

public class EventConstraints {

	public static boolean checkMemberDeletion(Event event, Member member) {

		for( Bill bill : event.getBills() ) {
			if (bill.getFrom() == member)
				return false;
		}
		
		return true;
	}

	public static boolean checkGroupDeletion(Event event, Group group) {
		
		for( Bill bill : event.getBills() ) {
			if (bill.getTo() == group)
				return false;
		}
		
		return true;
		
	}

}
